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Sahara S, Dolk M, Hendriyanto A, Kusmayadi TA, Fitriana L. Transformation geometry in eleventh grade using digital manipulative batik activities. j. math. educ. [Internet]. 2024 Jan. 14 [cited 2024 Sep. 8];15(1):55-78. Available from: http://jme.ejournal.unsri.ac.id/index.php/jme/article/view/372